x+2(-0.2x-0.2)=13

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Solution for x+2(-0.2x-0.2)=13 equation: 


Simplifying
x + 2(-0.2x + -0.2) = 13

Reorder the terms:
x + 2(-0.2 + -0.2x) = 13
x + (-0.2 * 2 + -0.2x * 2) = 13
x + (-0.4 + -0.4x) = 13

Reorder the terms:
-0.4 + x + -0.4x = 13

Combine like terms: x + -0.4x = 0.6x
-0.4 + 0.6x = 13

Solving
-0.4 + 0.6x = 13

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 0.6x = 13 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.6x = 13 + 0.4
0.6x = 13 + 0.4

Combine like terms: 13 + 0.4 = 13.4
0.6x = 13.4

Divide each side by '0.6'.
x = 22.33333333

Simplifying
x = 22.33333333

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